Sensitization
Phase of type IV
U lasts for 1
- 2 weeks following initial contact with antigen
UT-helper
cells are activated and proliferate when antigen is presented by APC=s
in conjunction with MHC -II
UT-helper
cells are activated and proliferate when antigen is presented by APC=s
in conjunction with MHC -II
UT-cells that
are activated are designated as TDTH
